Roller side bearing for railway-cars.



" PATENTED JULY 30, f19 07..

- v J. 'F. 0'GONNOR. 4 ROLLER SIDE BEARING FOR RAILWAY CARS.

No. 861,760. I

APPLICATION FILED MAR. 25, 1907.

2 SBEETS-SHEET 1.

No. 861,760. v PATENTED JULY so, 190% 4 J. F. OGONNOR. j ROLLER SIDE BEARING FOR RAILWAY CARS. I

APPLIUAT ION FILED MAR. 25, 1,907. 4

2 SHEETS-SHEET 2.

I 4 M, Q Q C #6411,

7 UNITE warns PATENT esFIOE.

JOHN F. OOONNOR, OF CHICAGO, ILLINOIS, ASSIGNOR To w; H. MINER'GOlllPANY, OF CHICAGO, ILLINOIS, A c-OsPoRATIONoF ILLINOIS.

ROLLER SIDE BEARING FOB RAILWAY GARSL To all whom it may concern:

Be it known that 1, Jens F. OCoNNon, a citizen of the United States, residing in Chicago, in the county of Cook and State of Illinois, have invented a new and useful Improvement in Roller Side Bearings for Railway-Cars, of which the following is a specification.

' Myinvention relates to roller side bearings for railway cars.

' The object of my invention is to provide a roller side bearing of a simple, strong, efiicient and durable construction in which the rollers interposed between the upper and lower bearing plates will be automatically kept in central or proper relative position in respect to the upper and lower bearing plates, and in which the rollers and the upperbearing plate will. automatically return to their normal or central position when the car, after passingaround a curve, again passes onto a straight track and the load on the upper bearing plate is relieved.

. My invention consists in the means I employ to practically accoinplish this object or result as herein shown and described, the same comprising certain novel constructions of parts and devices and novel combinations of parts and devices as specified in the claims.

' -In the accompanying drawing'forming a part of this specification, Figure 1 is a plan view of, a roller side bearing embodying my invention. 1 Fig. 2 is a central vertical longitudinal section on line 22 of Fig. 1.

- 3 is a vertical cross section on line 33 of Fig. 2.

Fig; dis a horizontal section on line 4-4 of Fig. 3.

' Fig. 5 ice detail bottom view of the upper bearing plate;

and Figs. 6 and 7 are detail views of parts to be'described.

In the drawing, A represents the base or lower hearing plate, the same being secured to or carried by the truck, andB is the movable or traveling upper bearing plate against which the body bolster contacts or bears. The base or lower bearing plate A is provided With-a roller tread or face a,- curved about the king bolt asa center, and with a central toothed rack a likewise curved about the king bolt as a center. The base or 7 lower bearing plate A is provided with depepgling sides 'or flanges a for securing the same totlie truck frame piece, and also with upwardly projecting integral wings a? furnished with longitudinal guide flanges'a and longitudinally extending guide ways a to receive the reduced ends or trunnions 'd of the rollers D, and the hearing blocks or followers C against which the springs 0 act, and with stops or shoulders a for the bearing blocks or followers 0 to abut against.

- The upper or movable bearing plate B is furnished with a tread or track 6 for the rollers D and a toothed rack b to engage'the gearteeth d on the rollers D. And

Specification of Letters Patent. Application. sea March 25,19 7. Serial No..364.329.

it is provided at one side with a guide flange b -w hi ch Patented Jul so, 1907.

intorfits and cooperates with one of the guide flanges a on the base or lower bearing plate A. And at its other side, itis provided with a groove b to receive a removable guide I) (see Fig. 6), preferably of angular form in cross section; which interfits with and engages the corresponding guide a on the other side of the base or lower bearing plate A. One of the interfitting guides a, b, a, b, namely, the guide I; ismade removable so that the bearing plates A and B may be conveniently and properly assembled and taken apart when required. The springs C C, one on each side of the side rollers D andjupper or movable bearing plate B to nor mal position, the gear teeth on therollers and the toothed racks on the upper and lower bearing plates serving to keep the rollers in proper relative position in respect to each other and to the bearing plates. The

bearing blocks 'or followers-C (see Fig. 7') against whichthe springs act are preferably of U shape and fit astride the studs or trunnions d of the rollers ,DQ Each of the bearing blocks 'or followers 0 is preferably furnished with an integral stud C which fits within the en d of the coiled spring 0 and serves to guide the spring and hold it in place. a i

In operation, when the upper bearing plate B reciprocates or moves to the left, the right hand roller D by engagement of its studs or trunnions d with the bearing blocks or followers C compresses the springsfand when, the car again returns to a straight track and the weight on the upper bearing plate B is relieved, the

I previously compressed springs return the upper bearing plate and the rollers to their normal position. And when the upper bearing plate moves to the right, the operation is the same but reversed. It will be understood that when the upper bearing plate and the rollers move to the left, the left hand bearing block or follower C is held stationary by its abutment against the stop end a of its guide way on the lower bearing plate A, the trunnions of the left hand roller at'this time passing outof engagement with the lefthand bearing blocks And when the upper bearing plate and rollers move tothe right, the right hand in turn held stationary.

' I'c1aim:- i v 1. In a roller side bearing for railway cars, the comhlnabearing blocks C are tion with a base or lower bearing plate furnished with a roller tread and toothed rack, of an upper movalil ortrnvsling bearing plate furnished with a roller trend and toothed rock, a pair-of anti-friction rollers between said plates furnished with gear teeth meshing with sald'racks and furnished with trunnions, bearing blocks or followers engaged by the roller trunnions; springs between sat-id bearing blocks or followers, the lower bearing, plate having guides and stops for said bearing blocks or followers, snb- ,7

stautlnlly -ns specllied.

2. In a; roller side bearing, the combination with the 1 bearing, serve to automatically restore the antifriction I having a roller tread and rack, toothed rollers interposed between said bearing plates and furnished with trunnions, bearing blocks or followers engaged by said trunnions and springs betweensaid bearing blocks or followers, substantially as specified.

3. 11: a roller side and lower bearing plates, of a pair of rollers between said bearing plates furnished with trunnions, the lower bearing plate having guides and stops for followers, two pairs of followers between and engaging said trunnions and two springs between the followers, substantially as specified.

4. 111-21 roller side bearing, the combination with upper and lower bearing plates. of a pair of rollers between said bearing plates, there being follower guides and stops on the lower bearing plate, followers between and acting against the rollers and springs between the followers, substantially as specified. I

5. In a roller side bearing, the combination with upper and lower bearing plates, of a pair of rollers between said bearing plates, there being follower guides and stops on thelower bearing plate, followers between and acting against the rollers and springs between the followers, said bearing plates having interfitting guides, substantially as specified- (i. In a roller side bearingfthe combination with upper and lower bearing plates, ofa pair of rollers between said follower guides and stops. on

hearing plates, there being the lower bearing plate, followers between and'aeting against the rollers and springs between the followers, said bea-ing, the combination with upper .guides'and stops for said tion witlra base or lower bearing roller tread and toothed traveling bearing plate furnished with a roller tread and toothed rack, a pair plates furnished with gear teeth meshing with said racks tread and l bearing plates having interfittlng guides. one of the guides on one of the plates being removable, substantially as specified. 7. In a roller side hearing for railway cars, the combinatlon with a base or lower bearing plate furnished with a' roller tread and toothed rack, of an upper movable or traveling bearing plate furnished with a roller tread and. toothed rack, a pair of anti friction rollers between said plates'furnlshed with gear teeth meshing with said racks and furnished with trunniops, bearing blocks or followers engaged by the roller trunnions, springs between said hearing plates or followers. the; lower bearing platehaving bearing blocks or followers, and interfitting guides on said upper and lower bearing plate substantially as'specitied.

8. In a roller side bearingfor railway cars, the combinaplate furnished with a rack, of an upper movable or of anti-friction rollers and furnished with trunnions, bearing blocks or followers engaged by the roller trunnions, springs between said bearing plates or followers, the lower bearing plate having between said guides and stops for said bearing,bloeks or followersand .interfitting guides on said upper and lower bearing plates,

one of the guides ouone of the bearing plates being removable, substantially as specified.

JOHN E, oconn'oa- 

